| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 21509-1995 | English | RFQ |
ASK
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Days<=3
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Universal Drawing of Cable Tunnel Laying in Chemical Companies (Figure)
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HG/T 21509-1995
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HG/T 21509-1995
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