CA642330A - Vacuum closure apparatus - Google Patents

Vacuum closure apparatus

Info

Publication number
CA642330A
CA642330A CA642330A CA642330DA CA642330A CA 642330 A CA642330 A CA 642330A CA 642330 A CA642330 A CA 642330A CA 642330D A CA642330D A CA 642330DA CA 642330 A CA642330 A CA 642330A
Authority
CA
Canada
Prior art keywords
closure apparatus
vacuum closure
vacuum
closure
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
CA642330A
Inventor
V. D. Strong Richard
H. Hamilton William
W. Hacker Elmer
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.)
FJ Stokes Corp
Original Assignee
FJ Stokes Corp
Publication date
Application granted granted Critical
Publication of CA642330A publication Critical patent/CA642330A/en
Expired legal-status Critical Current

Links

CA642330A Vacuum closure apparatus Expired CA642330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA642330T

Publications (1)

Publication Number Publication Date
CA642330A true CA642330A (en) 1962-06-05

Family

ID=35920855

Family Applications (1)

Application Number Title Priority Date Filing Date
CA642330A Expired CA642330A (en) Vacuum closure apparatus

Country Status (1)

Country Link
CA (1) CA642330A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115924273A (en) * 2023-01-16 2023-04-07 中国十九冶集团有限公司 Rock sample detection and storage device and method for geotechnical engineering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115924273A (en) * 2023-01-16 2023-04-07 中国十九冶集团有限公司 Rock sample detection and storage device and method for geotechnical engineering

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