http://en.wikipedia.org/wiki/Hardening_(metallurgy)
Patent family of 2 members
Patent family with 7 members
http://en.wiktionary.org/wiki/endoprosthesis
http://en.wikipedia.org/wiki/Carcinoma Patent family with 4 members
http://en.wikipedia.org/wiki/DNA_extraction
http://en.wikipedia.org/wiki/Prosthesis
Separation of metal etc.
Patent family with 3 members
Patent family with 6 members
Patent family with 13 members
Pipe
Patent family with 12 members
Patent family with 4 members
Collar
Explosives
