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copper qbe1.7 palestine

Common raw materials

Forging display

CNC processing

QBe1.7_

2023316 · QBe1.7、。QBe2,:、,,、

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QBe1.7(、、) - _QBe2,QBe1.7 - CuBe1.7 - --QBe1.9_•

QBe1.7(、、) -

2021514 · 4. (DIN):QBe2, QBe1.7. 5. ():2.1247, 2.1245. 6.:C1720, C1700. :. 、

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