TY - GEN T1 - Introduction to patents information / AU - Dulken, Stephen Van, AU - Van Dulken, Stephen, AU - VanDulken, Stephen, CN - T210 ID - 18829 KW - Patent searching KW - Patent searching. KW - Patents KW - PATENTS : DOCUMENTATION, PLANNING, MECHANIZATION SN - 0712307680 TI - Introduction to patents information / ER -