B - Operations – Transporting – 23 – F
Inventor
B - Operations, Transporting
23
F
Inventor
Country: Germany
.beta. diketo or .beta. cyano acetyl compound to emulsify...
Color photographic silver halide recording material...
Light-sensitive material containing emulsified substances
Light-sensitive photographic silver halide recording...
Method and apparatus for winding strip spirally onto pipe
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