CA378295A - Hard bituminous material - Google Patents

Hard bituminous material

Info

Publication number
CA378295A
CA378295A CA378295A CA378295DA CA378295A CA 378295 A CA378295 A CA 378295A CA 378295 A CA378295 A CA 378295A CA 378295D A CA378295D A CA 378295DA CA 378295 A CA378295 A CA 378295A
Authority
CA
Canada
Prior art keywords
bituminous material
hard bituminous
hard
bituminous
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
CA378295A
Other languages
French (fr)
Inventor
C. Laughlin Kenneth
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.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
Publication date
Application granted granted Critical
Publication of CA378295A publication Critical patent/CA378295A/en
Expired legal-status Critical Current

Links

CA378295A Hard bituminous material Expired CA378295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA378295T

Publications (1)

Publication Number Publication Date
CA378295A true CA378295A (en) 1938-12-13

Family

ID=35382620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA378295A Expired CA378295A (en) Hard bituminous material

Country Status (1)

Country Link
CA (1) CA378295A (en)

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