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发明名称
ELEKTRISCHE BELEUCHTUNG MITTELS EIN- ODER MEHRZELLIGER BATTERIE FUER MARTINSFACKELN UND SONSTIGE ILLUMINATIONSKOERPER.
摘要
申请公布号
DE1646849(U)
申请公布日期
1952.11.20
申请号
DE195200K9363U
申请日期
1952.08.28
申请人
HERMANN KROHN
发明人
HERMANN KROHN
分类号
主分类号
代理机构
代理人
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