胶粘剂拉伸剪切强度标准试板辅具固定夹具GBT7124钢对刚试件装置

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Cangzhou Changzhi Construction Instrument Co., Ltd

Address:392 Changsheng Road, Xian County, Cangzhou City, Hebei Province
Tel:15631719222

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15631719222

胶粘剂拉伸剪切强度标准试板 辅具固定夹具GBT7124钢对刚试件装置