jc 623, Total:2 items.
In the international standard classification, jc 623 involves: Construction materials.
iec623, din 623, din623, jc 623, ASTM D 623, iec 623, astm f 623, iec-623, iec+623, astm623, astm a623, astm +a623, din+623, astm +623, en+623, d-623, jjg 623, astm c 623, jjg623, GBT623.
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