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发明名称
Zwischen einem inneren und aeusseren Dochtrohr angeordneter keramischer Dochtkoerper
摘要
申请公布号
DE640932(C)
申请公布日期
1937.01.15
申请号
DE1935N037694D
申请日期
1935.02.01
申请人
CURT NEUBAUER;PORZELLANFABRIK KAHLA
发明人
分类号
F21V37/00
主分类号
F21V37/00
代理机构
代理人
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地址
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