CA482658A - Ballon constamment en palier - Google Patents

Ballon constamment en palier

Info

Publication number
CA482658A
CA482658A CA482658A CA482658DA CA482658A CA 482658 A CA482658 A CA 482658A CA 482658 A CA482658 A CA 482658A CA 482658D A CA482658D A CA 482658DA CA 482658 A CA482658 A CA 482658A
Authority
CA
Canada
Prior art keywords
constant
level balloon
balloon
level
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.)
Expired
Application number
CA482658A
Other languages
English (en)
Inventor
William Isom Langley
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.)
Dewey and Almy Chemical Co
Original Assignee
Dewey and Almy Chemical Co
Publication date
Application granted granted Critical
Publication of CA482658A publication Critical patent/CA482658A/fr
Expired legal-status Critical Current

Links

CA482658A Ballon constamment en palier Expired CA482658A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA482658T

Publications (1)

Publication Number Publication Date
CA482658A true CA482658A (fr) 1952-04-22

Family

ID=35622349

Family Applications (1)

Application Number Title Priority Date Filing Date
CA482658A Expired CA482658A (fr) Ballon constamment en palier

Country Status (1)

Country Link
CA (1) CA482658A (fr)

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