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公开(公告)号:US3150519A
公开(公告)日:1964-09-29
申请号:US10176961
申请日:1961-04-10
Applicant: UNION CARBIDE CORP
Inventor: HEIMASTER JOHN W , JENKINS FRANK W , MCNEILL ROY L
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公开(公告)号:US3108789A
公开(公告)日:1963-10-29
申请号:US73809858
申请日:1958-05-27
Applicant: UNION CARBIDE CORP
Inventor: HEIMASTER JOHN W , JENKINS FRANK W , ROGERS LOUIS J
IPC: E21C35/04
CPC classification number: E21C35/043
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