CA206876A - Dispositif a retarder la levee de verin - Google Patents

Dispositif a retarder la levee de verin

Info

Publication number
CA206876A
CA206876A CA206876A CA206876DA CA206876A CA 206876 A CA206876 A CA 206876A CA 206876 A CA206876 A CA 206876A CA 206876D A CA206876D A CA 206876DA CA 206876 A CA206876 A CA 206876A
Authority
CA
Canada
Prior art keywords
retarding device
lifting jacks
speed retarding
speed
jacks
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
CA206876A
Other languages
English (en)
Inventor
L. Gormley Frank
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
Publication date
Application granted granted Critical
Publication of CA206876A publication Critical patent/CA206876A/fr
Expired legal-status Critical Current

Links

CA206876A Dispositif a retarder la levee de verin Expired CA206876A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA206876T

Publications (1)

Publication Number Publication Date
CA206876A true CA206876A (fr) 1920-12-28

Family

ID=35100655

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206876A Expired CA206876A (fr) Dispositif a retarder la levee de verin

Country Status (1)

Country Link
CA (1) CA206876A (fr)

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