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发明名称
Pétard
摘要
申请公布号
FR757512(A)
申请公布日期
1933.12.28
申请号
FRD757512
申请日期
1932.09.26
申请人
ETABLISSEMENTS RUGGIERI
发明人
分类号
F42C15/20
主分类号
F42C15/20
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代理人
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