CA662501A - Underwater grading means - Google Patents

Underwater grading means

Info

Publication number
CA662501A
CA662501A CA662501A CA662501DA CA662501A CA 662501 A CA662501 A CA 662501A CA 662501 A CA662501 A CA 662501A CA 662501D A CA662501D A CA 662501DA CA 662501 A CA662501 A CA 662501A
Authority
CA
Canada
Prior art keywords
underwater
grading means
grading
underwater grading
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
CA662501A
Inventor
G. Matelich Andrew
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 CA662501A publication Critical patent/CA662501A/en
Expired legal-status Critical Current

Links

CA662501A Underwater grading means Expired CA662501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA662501T

Publications (1)

Publication Number Publication Date
CA662501A true CA662501A (en) 1963-05-07

Family

ID=35956616

Family Applications (1)

Application Number Title Priority Date Filing Date
CA662501A Expired CA662501A (en) Underwater grading means

Country Status (1)

Country Link
CA (1) CA662501A (en)

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