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发明名称
Verschlusspfropfen fuer Sprengbohrloecher
摘要
申请公布号
DE671762(C)
申请公布日期
1939.02.14
申请号
DE1935H145797D
申请日期
1935.11.29
申请人
RICHARD J. HEITZMAN;WILLIAM E. RESSLER
发明人
分类号
F42D1/18
主分类号
F42D1/18
代理机构
代理人
主权项
地址
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