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发明名称
摘要
申请公布号
FR1577700(A)
申请公布日期
1969.08.08
申请号
FRD1577700
申请日期
1968.08.21
申请人
发明人
分类号
B61L1/18;B61L23/16
主分类号
B61L1/18
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