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JX059Material: 18 nickel lead-free white copper -
JX131Material: 18 nickel lead-free white copper, 15 nickel lead-free white copper, 15 nickel lead white copper
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JX167Material: 18 nickel lead-free white copper
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JX129Material: 15 nickel lead white copper
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JX151Material: 15 nickel lead white copper
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JX180Material: 18 nickel lead-free white copper