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公开(公告)号：US2545951A
公开(公告)日：1951-03-20
申请号：US66457646
申请日：1946-04-24
Applicant: SPECIALTIES DEV CORP
Inventor： FRESE CARL W , SCOTT THOMAS P
IPC: A62C99/00
CPC classification number: A62C99/0027
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公开(公告)号：US2524047A
公开(公告)日：1950-10-03
申请号：US66792046
申请日：1946-05-07
Applicant: SPECIALTIES DEV CORP
Inventor： FRESE CARL W , SCOTT THOMAS P
IPC: A62C99/00
CPC classification number: A62C99/0027
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