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发明名称
Absperrklappe
摘要
申请公布号
DE1018277(B)
申请公布日期
1957.10.24
申请号
DE1953E007719
申请日期
1953.08.24
申请人
FA. JOHANNES ERHARD
发明人
REPPERT KARL
分类号
F16K1/228
主分类号
F16K1/228
代理机构
代理人
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