CA21981A - Filiere a vis - Google Patents

Filiere a vis

Info

Publication number
CA21981A
CA21981A CA000021981A CA21981DA CA21981A CA 21981 A CA21981 A CA 21981A CA 000021981 A CA000021981 A CA 000021981A CA 21981D A CA21981D A CA 21981DA CA 21981 A CA21981 A CA 21981A
Authority
CA
Canada
Prior art keywords
screw plate
screw
plate
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
CA000021981A
Other languages
English (en)
Inventor
George L. Reece
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.)
BUTTERFIELD FREDERICK D
Original Assignee
BUTTERFIELD FREDERICK D
Publication date
Application granted granted Critical
Publication of CA21981A publication Critical patent/CA21981A/fr
Expired legal-status Critical Current

Links

CA000021981A Filiere a vis Expired CA21981A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA21981T

Publications (1)

Publication Number Publication Date
CA21981A true CA21981A (fr) 1885-07-03

Family

ID=45138524

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000021981A Expired CA21981A (fr) Filiere a vis

Country Status (1)

Country Link
CA (1) CA21981A (fr)

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