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JX140Material: 15 nickel lead white copper -
JX115Material: 18 nickel lead-free white copper
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JX169Material: 18 nickel lead-free white copper
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JX114Material: 18 nickel lead-free white copper
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JX170Material: 18 nickel lead-free white copper
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JX130Material: 15 nickel lead white copper, 18 nickel lead-free white copper