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发明名称
Druckluftfallhammer
摘要
申请公布号
DE545946(C)
申请公布日期
1932.03.09
申请号
DE1929P061711D
申请日期
1929.11.22
申请人
PNEUMATIC DROP HAMMER COMPANY
发明人
分类号
B21J7/36;B21J7/44
主分类号
B21J7/36
代理机构
代理人
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地址
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