GB/T 33512-2017织物芯输送带环形输送带(拼接)净长度的测定国家标准
英文:Textile conveyor belts—Determination of the net length of an endless (spliced) conveyor belt GB/T 33512-2017介绍: 国家标准《...
英文:Textile conveyor belts—Determination of the net length of an endless (spliced) conveyor belt GB/T 33512-2017介绍: 国家标准《...