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Title
'Improvements in or relating to High Temperature Electric Lamps' (Tubular Lamp packed with glass wool) by Siemens Electric Lamps and Supplies Ltd Patent No. 24239/51
Reference
UK0108 SC MSS 135/C/29
Date
1951
Physical description
Number of pieces: 1
Language
English.
Persons keyword
Siemens Electric Lamps and Supplies Ltd
Conditions governing access
Open access
Level of description
file

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