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发明名称
摘要
申请公布号
NL6717859(A)
申请公布日期
1968.07.01
申请号
NL19670017859
申请日期
1967.12.29
申请人
发明人
分类号
B61L5/18;(IPC1-7):B61L/
主分类号
B61L5/18
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