Full-board type guardrail assembly without fastening connecting piece
The invention discloses a full-plate type guardrail assembly without fastening connecting pieces. The full-plate type guardrail assembly comprises a vertical guardrail, a transverse guardrail and a longitudinal guardrail which are all made of metal plates, the vertical guardrail comprises a vertical...
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Format: | Patent |
Sprache: | chi ; eng |
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