CPC Subgroup Additional Only
B06B 2201/74 Underwater
Full Title
Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups > Specific application > Underwater
B06B 2201/74 Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups > Specific application > Underwater