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发明名称
Treppe
摘要
申请公布号
CH319151(A)
申请公布日期
1957.02.15
申请号
CHD319151
申请日期
1953.09.24
申请人
DANIELI,KARL
发明人
DANIELI,KARL;DANIELI,EDMUND
分类号
E04F11/022
主分类号
E04F11/022
代理机构
代理人
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地址
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