Design data structure: fastener type steel pipe scaffold fastener acceptance regulation

Design data structure: fastener type steel pipe scaffold fastener acceptance regulation
(1) the new fastener production license, the legal test unit test report and quality certificate. When the fastener quality is suspect, should according to the current national standard "steel pipe scaffold fasteners (GB15831) sampling test.
(2) the old fastener quality inspection should be done before use, have cracks, deformation, is strictly prohibited appear smooth silk bolt must be replaced.
(3) the new and old fasteners shall be antirust processing.


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