CA289375A - Procede a percer les noyaux - Google Patents

Procede a percer les noyaux

Info

Publication number: CA289375A
Authority: CA; Canada
Prior art keywords: drilling process; core drilling; core; drilling
Prior art date: 1929-04-30
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

CA289375A

Other languages

English (en)

Inventor

D. Rindsberg Harry

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.)

HARRY J HATER

Original Assignee

HARRY J HATER

Publication date

1929-04-30

1929-04-30 Application granted granted Critical

1929-04-30 Publication of CA289375A publication Critical patent/CA289375A/fr

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

CA289375A Procede a percer les noyaux Expired CA289375A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA289375T

Publications (1)

Publication Number	Publication Date
CA289375A true CA289375A (fr)	1929-04-30

Family

ID=35226187

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA289375A Expired CA289375A (fr)			Procede a percer les noyaux

Country Status (1)

Country	Link
CA (1)	CA289375A (fr)

0
- CA CA289375A patent/CA289375A/fr not_active Expired

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