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发明名称
PORZELLANZAHN.
摘要
申请公布号
DE1717350(U)
申请公布日期
1956.02.23
申请号
DE195500L4054U
申请日期
1955.08.25
申请人
ERWIN LUEDTKE
发明人
ERWIN LUEDTKE
分类号
主分类号
代理机构
代理人
主权项
地址
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