CA90643A - Appareil a trouver le niveau - Google Patents

Appareil a trouver le niveau

Info

Publication number
CA90643A
CA90643A CA000090643A CA90643DA CA90643A CA 90643 A CA90643 A CA 90643A CA 000090643 A CA000090643 A CA 000090643A CA 90643D A CA90643D A CA 90643DA CA 90643 A CA90643 A CA 90643A
Authority
CA
Canada
Prior art keywords
finders
grade
level
grade finders
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
CA000090643A
Other languages
English (en)
Inventor
Edward Helb
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA90643A publication Critical patent/CA90643A/fr
Expired legal-status Critical Current

Links

CA000090643A 1904-10-13 1904-10-13 Appareil a trouver le niveau Expired CA90643A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA90643T 1904-10-13

Publications (1)

Publication Number Publication Date
CA90643A true CA90643A (fr) 1904-12-20

Family

ID=45207178

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000090643A Expired CA90643A (fr) 1904-10-13 1904-10-13 Appareil a trouver le niveau

Country Status (1)

Country Link
CA (1) CA90643A (fr)

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