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经营范围
发明名称
Clamping connection for channel sections of a sliding arch support in mines
摘要
Published without abstract.
申请公布号
DE3824629(A1)
申请公布日期
1990.01.25
申请号
DE19883824629
申请日期
1988.07.20
申请人
PLETTAC GMBH, 5970 PLETTENBERG, DE
发明人
BUTTGEREIT, KLAUS;BUTTGEREIT, BERND, 5970 PLETTENBERG, DE
分类号
E21D11/22
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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