HL302银焊条 25%银钎料HL302
25%银钎料
24-26
39-41
33-37
700
790
HL302Sn
25%银钎料
24-26
39-41
31-35
1.5-2.5
680
760
HL303
HL302银焊条 25%银钎料HL302
25%银钎料
24-26
39-41
33-37
700
790
HL302Sn
25%银钎料
24-26
39-41
31-35
1.5-2.5
680
760
HL303
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