DE267923C - - Google Patents

Info

Publication number

DE267923C

DE267923C DENDAT267923D DE267923DA DE267923C DE 267923 C DE267923 C DE 267923C DE NDAT267923 D DENDAT267923 D DE NDAT267923D DE 267923D A DE267923D A DE 267923DA DE 267923 C DE267923 C DE 267923C

Authority

DE

Germany

Prior art keywords

plate

photographic

pattern

layer

symmetrical

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Active

Links

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• DPMA
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• 238000000034 method Methods 0.000 claims description 4
• 238000004519 manufacturing process Methods 0.000 claims 1
• 239000011521 glass Substances 0.000 description 4
• 239000002131 composite material Substances 0.000 description 1
• 230000008878 coupling Effects 0.000 description 1
• 238000010168 coupling process Methods 0.000 description 1
• 238000005859 coupling reaction Methods 0.000 description 1
• 238000002425 crystallisation Methods 0.000 description 1
• 230000008025 crystallization Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 230000001850 reproductive effect Effects 0.000 description 1
• 230000009466 transformation Effects 0.000 description 1