CPC Main Group Additional Only
G03H 2270/00 Substrate bearing the hologram
7 direct subcodes
Child Classifications
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- G03H 2270/10 Composition
- G03H 2270/20 Shape
- G03H 2270/30 Nature
- G03H 2270/52 Integrated surface relief hologram without forming layer
- G03H 2270/53 Recording material dispersed into porous substrate
- G03H 2270/54 Recording material filed in recessed substrate
- G03H 2270/55 being an optical element, e.g. spectacles