发明名称 |
Catwalk element of safety grating sections for underground mining operation |
摘要 |
The invention relates to a catwalk element of safety grating sections for underground mining operation, having a hook arranged at one end of each catwalk element and projecting beyond the end edges of the catwalk element, and a transverse bar (6) which is set back at the other end of each catwalk element relative to the end edge and interacts in a locking manner with the hook part directed downwards. <IMAGE>
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申请公布号 |
DE3911526(A1) |
申请公布日期 |
1990.02.08 |
申请号 |
DE19893911526 |
申请日期 |
1989.04.08 |
申请人 |
LICHTGITTER GMBH, 4424 STADTLOHN, DE |
发明人 |
VERZICHT DES ERFINDERS AUF NENNUNG |
分类号 |
E01C9/08;E01C9/10;E04F19/10;E04G1/15 |
主分类号 |
E01C9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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