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发明名称
Verbindungsklemme fuer sich kreuzende Rohre
摘要
申请公布号
DE536433(C)
申请公布日期
1931.10.23
申请号
DE1924S067772D
申请日期
1924.11.23
申请人
ALFRED SMALLWOOD
发明人
分类号
E04G7/24
主分类号
E04G7/24
代理机构
代理人
主权项
地址
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