| 发明名称 |
Modular constructional element in particular of a ladder or scaffolding |
| 摘要 |
This modular constructional element (14), which is of the type comprising at least two uprights between which at least one crosspiece extends, is such that each end of the uprights is screw-threaded and adapted to cooperate with a fixing ring (18, 19) for fixing the element (14) to an adjacent means (15).
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| 申请公布号 |
US4907675(A) |
申请公布日期 |
1990.03.13 |
| 申请号 |
US19880205248 |
申请日期 |
1988.06.10 |
| 申请人 |
SABY, GERARD;LEMERCIER, FREDERIC |
发明人 |
SABY, GERARD;LEMERCIER, FREDERIC |
| 分类号 |
E04G1/14;E04G7/20;E04G7/30;E06C1/10;E06C1/39;E06C7/16;E06C7/44 |
主分类号 |
E04G1/14 |
| 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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