CA30080A - Drille creux - Google Patents

Drille creux

Info

Publication number
CA30080A
CA30080A CA000030080A CA30080DA CA30080A CA 30080 A CA30080 A CA 30080A CA 000030080 A CA000030080 A CA 000030080A CA 30080D A CA30080D A CA 30080DA CA 30080 A CA30080 A CA 30080A
Authority
CA
Canada
Prior art keywords
core drill
drill
core
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
CA000030080A
Other languages
English (en)
Inventor
John F. Hertzler
John F. Gourley
Thomas G. Viney
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 CA30080A publication Critical patent/CA30080A/fr
Expired legal-status Critical Current

Links

CA000030080A Drille creux Expired CA30080A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA30080T

Publications (1)

Publication Number Publication Date
CA30080A true CA30080A (fr) 1888-11-02

Family

ID=45146620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000030080A Expired CA30080A (fr) Drille creux

Country Status (1)

Country Link
CA (1) CA30080A (fr)

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