3
1
10
International paten classification Vol. 5 Section E :
Fixed constructions
M.A Loth
Additional Author
mixed material
9280507958
Geneva
WIPO, 1999
1999
International_Patent_Classification_Seventh_Edition_%281999%29_Volume_5.jpg.jpg
International paten classification Vol. 4 Section D :
Textiles, paper
M.A Loth
Additional Author
mixed material
928050794X
Geneva
WIPO, 1999
1999
International_Patent_Classification_Seventh_Edition_%281999%29_Volume_4.jpg.jpg
Internasional patent classification. Volume 8 Section H :
Electricity
M.A Loth
Additional Author
mixed material
9280507982
WIPO, 1999
International_Patent_Classification_Seventh_Edition_%281999%29_Volume_8.jpg.jpg