
BS ISO 13105-2 - BUILDING CONSTRUCTION MACHINERY AND EQUIPMENT - MACHINERY FOR CONCRETE SURFACE FLOATING AND FINISHING - PART 2: SAFETY REQUIREMENTS AND VERIFICATION
出版:British Standards Institution

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BS ISO 13105-2 - BUILDING CONSTRUCTION MACHINERY AND EQUIPMENT - MACHINERY FOR CONCRETE SURFACE FLOATING AND FINISHING - PART 2: SAFETY REQUIREMENTS AND VERIFICATION
出版:British Standards Institution
專家解讀視頻