C - Chemistry – Metallurgy – 08 – L
Inventor
C - Chemistry, Metallurgy
08
L
Inventor
Country: Japan
Color variation inducing device
Electrothermal color-varying device and toy utilizing the same
Electrothermal color-varying instrument
Method for energizing energization-operated toy element and...
Solid having reversibly invisible/visible thermochromic...
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Profile ID: LFCA-PAI-P-1380919