CA561620A - Drilling apparatus for concrete and the like - Google Patents

Drilling apparatus for concrete and the like

Info

Publication number
CA561620A
CA561620A CA561620A CA561620DA CA561620A CA 561620 A CA561620 A CA 561620A CA 561620 A CA561620 A CA 561620A CA 561620D A CA561620D A CA 561620DA CA 561620 A CA561620 A CA 561620A
Authority
CA
Canada
Prior art keywords
concrete
drilling apparatus
drilling
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
CA561620A
Other languages
French (fr)
Inventor
J. Schwab Charles
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 CA561620A publication Critical patent/CA561620A/en
Expired legal-status Critical Current

Links

CA561620A Drilling apparatus for concrete and the like Expired CA561620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA561620T

Publications (1)

Publication Number Publication Date
CA561620A true CA561620A (en) 1958-08-12

Family

ID=35728051

Family Applications (1)

Application Number Title Priority Date Filing Date
CA561620A Expired CA561620A (en) Drilling apparatus for concrete and the like

Country Status (1)

Country Link
CA (1) CA561620A (en)

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