JPS53193A - Slid rules for calculating sound arresting effect - Google Patents

Slid rules for calculating sound arresting effect

Info

Publication number
JPS53193A
JPS53193A JP7488676A JP7488676A JPS53193A JP S53193 A JPS53193 A JP S53193A JP 7488676 A JP7488676 A JP 7488676A JP 7488676 A JP7488676 A JP 7488676A JP S53193 A JPS53193 A JP S53193A
Authority
JP
Japan
Prior art keywords
slid
rules
calculating sound
arresting effect
sound arresting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7488676A
Other languages
Japanese (ja)
Inventor
Shiyuuichi Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Plant Engineering and Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Plant Engineering and Construction Co Ltd
Priority to JP7488676A priority Critical patent/JPS53193A/en
Publication of JPS53193A publication Critical patent/JPS53193A/en
Pending legal-status Critical Current

Links

JP7488676A 1976-06-24 1976-06-24 Slid rules for calculating sound arresting effect Pending JPS53193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7488676A JPS53193A (en) 1976-06-24 1976-06-24 Slid rules for calculating sound arresting effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7488676A JPS53193A (en) 1976-06-24 1976-06-24 Slid rules for calculating sound arresting effect

Publications (1)

Publication Number Publication Date
JPS53193A true JPS53193A (en) 1978-01-05

Family

ID=13560285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7488676A Pending JPS53193A (en) 1976-06-24 1976-06-24 Slid rules for calculating sound arresting effect

Country Status (1)

Country Link
JP (1) JPS53193A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171543U (en) * 1986-04-22 1987-10-30

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910871U (en) * 1972-04-28 1974-01-29
JPS4965893A (en) * 1972-10-23 1974-06-26
JPS4979298A (en) * 1972-12-04 1974-07-31

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910871U (en) * 1972-04-28 1974-01-29
JPS4965893A (en) * 1972-10-23 1974-06-26
JPS4979298A (en) * 1972-12-04 1974-07-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171543U (en) * 1986-04-22 1987-10-30

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