CPC Class Codes
E04B 1/19
Three-dimensional framework...
E04B 1/1903
Connecting nodes specially ...
E04B 1/1909
with central cylindrical co...
E04B 1/3211
Structures with a vertical ...
E04B 1/5843
with ends provided with pro...
E04B 1/585
with separate connection de...
E04B 2001/1927
of essentially circular cro...
E04B 2001/193
with flattened connecting p...
E04B 2001/1963
Screw connections with axis...
E04B 2001/1966
Formlocking connections oth...
E04B 2001/1978
Frameworks assembled from p...
E04B 2001/1987
triangular grid
E04B 2001/199
Details of roofs, floors or...
E04B 2001/1993
Details of framework suppor...
E04B 2001/3247
Nodes
E04B 2001/3276
Panel connection details
E04B 2001/3294
with a faceted surface
E04B 2001/5875
using exterior clamping pla...
Y10S 52/10
Polyhedron
Y10T 403/32032
Plural ball and socket
Y10T 403/32573 :
Ball stud passes through co...
Y10T 403/32811 :
Spring-biased
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