QAi9-4—QAi...

C5240-C521...

QSn7-0.2锡青...

Qsn6.5-0.4...

Qsn6.5-0.1...

Qsn4-3锡青铜棒...

C52100锡青铜棒...

C5212锡青铜棒-...

H68青铜棒，河北H...

H65青铜棒，海南H...

H62青铜棒，青铜棒...

Qbc0.4-1.8...

Qmn5锰青铜棒，锰...

Qmn1.5锰青铜棒...

qis3-1硅青铜棒...

qsn-3锡青铜板q...

qsn6.5-0.1...

qbc0.4-1.8...

铍青铜板Qsi1-3...

qsi3.5-3-1...

qmn5锰青铜板，河...

C67500锰青铜板...

qAi9-4—qAi...

qasi硅青铜板，青...

qasi1—3硅青铜...

QAi10—4—4铝...

QAi10—3—1....

QAi9—4铝青铜棒...

QAi9—2铝青铜棒...

C6161铝青铜棒，...