CA458014A - Dispositif de perforation - Google Patents

Dispositif de perforation

Info

Publication number
CA458014A
CA458014A CA458014A CA458014DA CA458014A CA 458014 A CA458014 A CA 458014A CA 458014 A CA458014 A CA 458014A CA 458014D A CA458014D A CA 458014DA CA 458014 A CA458014 A CA 458014A
Authority
CA
Canada
Prior art keywords
perforating device
perforating
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
CA458014A
Other languages
English (en)
Inventor
Kern Emil
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 CA458014A publication Critical patent/CA458014A/fr
Expired legal-status Critical Current

Links

CA458014A Dispositif de perforation Expired CA458014A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA458014T

Publications (1)

Publication Number Publication Date
CA458014A true CA458014A (fr) 1949-07-12

Family

ID=35575957

Family Applications (1)

Application Number Title Priority Date Filing Date
CA458014A Expired CA458014A (fr) Dispositif de perforation

Country Status (1)

Country Link
CA (1) CA458014A (fr)

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