CA613569A - Ballast construction - Google Patents

Ballast construction

Info

Publication number
CA613569A
CA613569A CA613569A CA613569DA CA613569A CA 613569 A CA613569 A CA 613569A CA 613569 A CA613569 A CA 613569A CA 613569D A CA613569D A CA 613569DA CA 613569 A CA613569 A CA 613569A
Authority
CA
Canada
Prior art keywords
ballast construction
ballast
construction
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
CA613569A
Inventor
C. Yaeger Joseph
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.)
McGraw Edison of Canada Ltd
Original Assignee
McGraw Edison of Canada Ltd
Publication date
Application granted granted Critical
Publication of CA613569A publication Critical patent/CA613569A/en
Expired legal-status Critical Current

Links

CA613569A Ballast construction Expired CA613569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA613569T

Publications (1)

Publication Number Publication Date
CA613569A true CA613569A (en) 1961-01-31

Family

ID=35855887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA613569A Expired CA613569A (en) Ballast construction

Country Status (1)

Country Link
CA (1) CA613569A (en)

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