DE1728350C - - Google Patents

Info

Publication number

DE1728350C

DE1728350C DE1728350C DE 1728350 C DE1728350 C DE 1728350C DE 1728350 C DE1728350 C DE 1728350C

Authority

DE

Germany

Prior art keywords

column

bores

riser pipe

electrical

heating resistor

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.)

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• 238000010438 heat treatment Methods 0.000 claims description 9
• 238000001704 evaporation Methods 0.000 claims description 5
• 239000000779 smoke Substances 0.000 claims description 5
• 230000008020 evaporation Effects 0.000 claims description 4
• 229910052573 porcelain Inorganic materials 0.000 claims description 3
• 230000003137 locomotive effect Effects 0.000 claims description 2
• 235000006718 Ficus pumila Nutrition 0.000 claims 1
• 240000002373 Ficus pumila Species 0.000 claims 1
• 239000002184 metal Substances 0.000 claims 1
• 238000004804 winding Methods 0.000 claims 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 238000010348 incorporation Methods 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000003921 oil Substances 0.000 description 1
• 238000010079 rubber tapping Methods 0.000 description 1
• 239000001993 wax Substances 0.000 description 1