CA380092A - Methode a couler des fleurets creux et diamantes - Google Patents

Methode a couler des fleurets creux et diamantes

Info

Publication number
CA380092A
CA380092A CA380092A CA380092DA CA380092A CA 380092 A CA380092 A CA 380092A CA 380092 A CA380092 A CA 380092A CA 380092D A CA380092D A CA 380092DA CA 380092 A CA380092 A CA 380092A
Authority
CA
Canada
Prior art keywords
drill bit
casting method
core drill
diamond core
bit casting
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
CA380092A
Other languages
English (en)
Inventor
H. Dodd Edward
S. Jamar Warren
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.)
RICHARD S PATRICK
Original Assignee
RICHARD S PATRICK
Publication date
Application granted granted Critical
Publication of CA380092A publication Critical patent/CA380092A/fr
Expired legal-status Critical Current

Links

CA380092A Methode a couler des fleurets creux et diamantes Expired CA380092A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA380092T

Publications (1)

Publication Number Publication Date
CA380092A true CA380092A (fr) 1939-03-14

Family

ID=35384418

Family Applications (1)

Application Number Title Priority Date Filing Date
CA380092A Expired CA380092A (fr) Methode a couler des fleurets creux et diamantes

Country Status (1)

Country Link
CA (1) CA380092A (fr)

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