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公开(公告)号：US3455244A
公开(公告)日：1969-07-15
申请号：US3455244D
申请日：1967-09-22
Applicant: DYNAMIT NOBEL AG
Inventor： BALLREICH KURT , BENDLER HELLMUT , GAWLICK HEINZ
CPC classification number: F42C19/0815 , F42C19/12
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