作者: Jim Chang
DOI:
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摘要: A grab bar assembly includes a bar, mounting flange and an annular cover. connective block with bolt hole thereof is fixed on inner side of end surface the bar. An axial columnar projection central insertion arranged flange. The forms countersunk bottom When being assembled, connects hexagonal screw inserts through from threads into so as to fasten Then cover assembled by thread threaded outer make fix firmly shield